What is the current water temperature in Fukuoka?

As of now, in Fukuoka, the water temperature is 26.5°C. It's safe to say that the water is comfortably warm for various water-related activities.

Japan > Fukuoka

Water temperature in Fukuoka

Detailed information about the current water temperature in Fukuoka. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

79.7

°F

July 16, 09:56

Trend:

increasing

Yesterday:

79.5°F

Tomorrow:

80.2°F

Sunrise:

05:19

Sunset:

19:29

Day Length:

14 h. 10 min.

Fukuoka in July

Minimum:

57.6°F

Average:

58.8°F

Maximum:

60.4°F

Sea water temperature in Fukuoka today

As of now, in Fukuoka, the water temperature is 79.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.4°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 81.1°F on 2021, while the historical minimum was 74.6°F on 2015.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 80.7°F, with minimum temperature starting at 80.2°F, while the maximum might reach 81.2°F.

Daily water temperature in Fukuoka

Date	Current Year actual* / forecast**	last year	10 years average
Jul 2	80.2°F	74.3°F	75.3°F
Jul 3	79.4°F	74.9°F	75.7°F
Jul 4	81.1°F	76.1°F	76.2°F
Jul 5	81.4°F	77.5°F	76.4°F
Jul 6	82.2°F	78.9°F	76.8°F
Jul 7	81.5°F	79.2°F	76.8°F
Jul 8	82.5°F	79.2°F	77.1°F
Jul 9	82.3°F	79.2°F	77.2°F
Jul 10	83.6°F	78.9°F	77.5°F
Jul 11	82.9°F	78.8°F	77.5°F
Jul 12	82.4°F	78.7°F	77.5°F
Jul 13	81.2°F	78.7°F	77.6°F
Jul 14	80.9°F	78.7°F	78.1°F
Jul 15	79.5°F	78.7°F	78.2°F
Jul 16	79.7°F	78.9°F	78.4°F
Jul 17	80.2°F	79.2°F	78.8°F
Jul 18	80.2°F	80.7°F	78.9°F
Jul 19	80.3°F	80.7°F	79.0°F
Jul 20	80.8°F	81.7°F	79.4°F
Jul 21	81.1°F	82.5°F	79.7°F
Jul 22	81.1°F	82.7°F	79.7°F
Jul 23	81.2°F	82.6°F	79.8°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Fukuoka by month

In Fukuoka, the months July through September offer comfortable swimming conditions, which amounts to 109 swimming days.

The warmest water in Fukuoka was recorded on August 4, 2024, reaching a 88.2°F. While the coldest temperature occurred on March 10, 2025, dipping to 51.7°F. The average readings by season are 58.5°F in Winter, 60.1°F in Spring, 77.5°F in Summer, and 73.0°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kitakyushu	82.5°F	30mi
Shimonoseki	82.0°F	39mi
Kumamoto	81.9°F	57mi
Nagasaki	82.2°F	66mi

* current water temperature in this city

** straight line distance from Fukuoka